(19)
(11) EP 1 470 713 A1

(12)

(43) Date of publication:
27.10.2004 Bulletin 2004/44

(21) Application number: 02789957.4

(22) Date of filing: 26.11.2002
(51) International Patent Classification (IPC)7H04N 7/167
(86) International application number:
PCT/US2002/038354
(87) International publication number:
WO 2003/061287 (24.07.2003 Gazette 2003/30)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.01.2002 US 43369

(71) Applicant: International Business Machines Corporation
Armonk, NY 10504 (US)

(72) Inventor:
  • FETKOVICH, John, E.
    Endicott, New York 13760 (US)

(74) Representative: Williams, Julian David 
IBM United Kingdom Limited,Intellectual Property Department,Hursley Park
Winchester,Hampshire SO21 2JN
Winchester,Hampshire SO21 2JN (GB)

   


(54) A SYSTEM AND METHOD FOR SECURE DISTRIBUTION AND EVALUATION OF COMPRESSED DIGITAL INFORMATION